31400212013430 has 64 divisors (see below), whose sum is σ = 81694937899008. Its totient is φ = 7678095638400.

The previous prime is 31400212013383. The next prime is 31400212013441. The reversal of 31400212013430 is 3431021200413.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 31400212013430.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 266541654 + ... + 266659433.

It is an arithmetic number, because the mean of its divisors is an integer number (1276483404672).

Almost surely, 2^{31400212013430} is an apocalyptic number.

31400212013430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

31400212013430 is an abundant number, since it is smaller than the sum of its proper divisors (50294725885578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31400212013430 is a wasteful number, since it uses less digits than its factorization.

31400212013430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533201261.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 31400212013430 its reverse (3431021200413), we get a palindrome (34831233213843).

The spelling of 31400212013430 in words is "thirty-one trillion, four hundred billion, two hundred twelve million, thirteen thousand, four hundred thirty".